diff --git a/Controller.php b/Controller.php
index 28cb785..a811778 100644
--- a/Controller.php
+++ b/Controller.php
@@ -190,7 +190,11 @@ class Controller extends ModuleAbstract implements WebInterface
      */
     public function apiMediaUpload(RequestAbstract $request, ResponseAbstract $response, $data = null)
     {
-        $uploads = $this->uploadFiles($request->getFiles(), $request->getHeader()->getAccount(), $request->getData('path') ?? __DIR__ . '/../../Modules/Media/Files');
+        $uploads = $this->uploadFiles(
+            $request->getFiles(), 
+            $request->getHeader()->getAccount(), 
+            (string) ($request->getData('path') ?? __DIR__ . '/../../Modules/Media/Files')
+        );
 
         $ids = [];
         foreach ($uploads as $file) {